At 11.35am, a 74-year-old male person in custody suddenly attacked a 65-year-old male person in custody with a plastic ruler in the handcrafts workshop. Officers at the scene immediately stopped the assailant and called for reinforcements.

The victim sustained a head injury. After receiving examination and treatment by the medical officer in the centre hospital, he was transferred to a public hospital for further treatment.

The case has been reported to the Police for investigation.

The assailant was sentenced to imprisonment for the offence of wounding with intent.